As for the Honda Fit now that I have it; it's great I travel about 160 miles a day and have filed up twice since picking up my car; I am averaging 33.7 MPG.
The Fit is fun to drive and I expect having the car for a long time.
gas mileage, fun factor, Honda reputation
better stereo, or more stereo options. I plan to put an after-market stereo in.